xmrig | 29ee2ae78ff12ab3a3cfeded613ae90edf19a9ad5ab101cb7c133fd06a1294d6

General

Target

fd91ff2522a05f96c8c0a0343dcf0620_JaffaCakes118.exe
Size

784KB
MD5

fd91ff2522a05f96c8c0a0343dcf0620
SHA1

285a69db395f92d02a677562bce2ac8444a8c971
SHA256

29ee2ae78ff12ab3a3cfeded613ae90edf19a9ad5ab101cb7c133fd06a1294d6
SHA512

509be6f4db4f2207a7a70096f2249061eb3d87210cd275e4539b80f9bc3ef870d71b37a2f66f8321f56a1cfca4b512c820a84a02c5e7e574ac4edfdb1b22a46c
SSDEEP

24576:zjPRP1rxU3b856J7JdxIFgvVRkuNfMigAbpQIiqgEOgy/:PB19UwAdmevVRkuNfMi9xiZP

Score

10^/10

xmrig discovery miner upx

Malware Config

Signatures

xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

XMRig Miner payload 7 IoCs

miner

resource	yara_rule
behavioral1/memory/2756-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2756-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2616-18-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2616-23-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2616-29-0x00000000030A0000-0x0000000003233000-memory.dmp	xmrig
behavioral1/memory/2616-33-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2616-34-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2616	fd91ff2522a05f96c8c0a0343dcf0620_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2616	fd91ff2522a05f96c8c0a0343dcf0620_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2756	fd91ff2522a05f96c8c0a0343dcf0620_JaffaCakes118.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2756-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x0008000000012102-10.dat	upx
behavioral1/memory/2616-16-0x0000000000400000-0x0000000000712000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fd91ff2522a05f96c8c0a0343dcf0620_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fd91ff2522a05f96c8c0a0343dcf0620_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2756	fd91ff2522a05f96c8c0a0343dcf0620_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2756	fd91ff2522a05f96c8c0a0343dcf0620_JaffaCakes118.exe
2616	fd91ff2522a05f96c8c0a0343dcf0620_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2616	2756	fd91ff2522a05f96c8c0a0343dcf0620_JaffaCakes118.exe	31
PID 2756 wrote to memory of 2616	2756	fd91ff2522a05f96c8c0a0343dcf0620_JaffaCakes118.exe	31
PID 2756 wrote to memory of 2616	2756	fd91ff2522a05f96c8c0a0343dcf0620_JaffaCakes118.exe	31
PID 2756 wrote to memory of 2616	2756	fd91ff2522a05f96c8c0a0343dcf0620_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\fd91ff2522a05f96c8c0a0343dcf0620_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fd91ff2522a05f96c8c0a0343dcf0620_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\fd91ff2522a05f96c8c0a0343dcf0620_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\fd91ff2522a05f96c8c0a0343dcf0620_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\fd91ff2522a05f96c8c0a0343dcf0620_JaffaCakes118.exe

Filesize
784KB

MD5
1c6d20132d7340338e8e5262a540c12e

SHA1
9783f51d1df4d02c7b2b3f5024b76b834820ba67

SHA256
d631d666aa4199892237d9450951a8b1cf0e1abf07d0560a8512185002cd9d81

SHA512
311bb2a19f602c2e2777ddf81c82201b27ada2b297e1b3031e360df0d31f8516bb045d01f79c5781cf1ae6002d8f8fcf100c0950bb857fb7af8444d02e90177e

Download Submit
memory/2616-16-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2616-17-0x00000000018B0000-0x0000000001974000-memory.dmp

Filesize
784KB

Download
memory/2616-18-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2616-23-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2616-29-0x00000000030A0000-0x0000000003233000-memory.dmp

Filesize
1.6MB

Download
memory/2616-33-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2616-34-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2756-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2756-1-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2756-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2756-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing